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14. 
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Smut of oats or wheat. 
Black stem rust of wheat. 
Liverworts: Conocephalum and Lunularia. 
Moss plants: protonema * felt,” and capsules. 
Ferns: 
Prothallia: for these a covered Petri dish or tin box should 
be sent. 
Irronds with spores. 
Selaginella with sporophylls. 
I{lodea—to show movement of protoplasm. 
Corn or sorghum stems, dried. 
Twigs to show opposite or alternate arrangement of buds. 
Simple and compound leaves. 
Various seeds and fruits to illustrate methods of dispersal. 
Material for the study of genetics: 
Pods of Jimson weed showing inheritance of both smooth 
and spiny pods. 
Sorghum seeds for demonstrating inheritance of red seed- 
ling color. 
Pea seeds to show Mendelian seed and seedling characters. 
Sensitive plants (Mimosa pudica). 
Protozoa: Paramoecium, Euglena, and others. 
Fruit flies (Drosophila), wild type and mutants, transferred 
to bottles of culture medium supplied by applicant. 
Specimens Loaned for Exhibit. 
Leguminous roots with tubercles. 
Riker mounts of powdery mildew, rusts and smuts, maple tar 
spot. 
Riker mounts of peas showing inheritance of seed characters. 
Oats showing inheritance of hull color. 
Corn showing inheritance of endosperm colors. 
Sorghum varieties and the I, hybrid. 
Types of cereals: wheat, oats, barley, rye, rice, corn. 
Eight types of wheat. 
ight types of barley 
Riker mounts of types of modified leaves 
